[S390] cio: merge init calls
Define initialization sequence of css and ccw bus init calls by merging
them into a single init call. Also introduce channel_subsystem_init_sync
to wait for the initialization of devices to finish.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h
index e397510..ed39a2c 100644
--- a/drivers/s390/cio/device.h
+++ b/drivers/s390/cio/device.h
@@ -74,6 +74,7 @@
extern struct workqueue_struct *ccw_device_work;
extern wait_queue_head_t ccw_device_init_wq;
extern atomic_t ccw_device_init_count;
+int __init io_subchannel_init(void);
void io_subchannel_recog_done(struct ccw_device *cdev);
void io_subchannel_init_config(struct subchannel *sch);